Category: ScienceNews

On Monday, the Trump administration linked the use of Tylenol with rising autism rates, but science doesn’t support that claim. Guest host Sydney Lupkin talks to autism researcher Helen Tager-Flusberg about how autism is studied, the findings from decades of research, and what people–especially those who are pregnant–should do when they experience pain or fever. Plus, we dig into guidance behind using leucovorin to treat autism.

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Food allergies have risen in the United States over the last few decades. Research suggests that 40 years ago the prevalence of food allergies was less than 1%. But today that number is closer to 6%. But this trend is not present in all countries — and what people are allergic to varies globally. Today, we dive into the complex world of food allergies with Dr. Waheeda Samady. She's the director of clinical research at Northwestern University's Center for Food Allergy and Asthma Research.

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The anti-aging product market was worth roughly 53 BILLION dollars in 2024. One of the latest big trends: red light therapy. Social media is rampant with claims about all sorts of purported health benefits to using directed red light regularly … but does the research really live up to all the hype?


For answers, we turn to cosmetic chemist and science communicator Michelle Wong. Together, she and host Regina G. Barber sift through the thin (albeit growing) research on red light therapy to find out which claims are clearly backed by the literature – and which still need a bit more experimental data. 


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According to a new study, the planet is drying at an unprecedented pace, presenting a critical threat to humanity. Researchers found that “continental drying is having profound global impacts” that “threaten water availability” across the globe. To learn more, Ali Rogin speaks with ProPublica climate investigations editor Abrahm Lustgarten for our series, Tipping Point. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy

CrowdScience listener David is a bird whisperer.

On his family farm in Guinea, he would mimic the call of the black-headed weaver. He could replicate it so well that the birds would fly in close, curious to find out who was calling. David has been wondering if he was actually communicating with the weaver.

In the foothills of the Austrian Alps is a research hotspot with a curious history. It was here that a scientist first began studying birds in their natural environment. That work continues today with Andrew Katsis from the University of Vienna, who knows the local flock of greylag geese by name. His research shows that animals aren’t just anonymous members of a group, they have personalities, relationships, and the ability to recognise one another.

But what else do birds know? Thomas Bugnyar, professor of social behaviour and animal cognition, spends his time trying to get inside the mind of ravens. His work suggests they can understand their surroundings, make rational decisions, and even solve complex problems.

Plus, we meet Ellie, a cockatoo with the ability to use a touchscreen computer to “talk.” She has a working vocabulary of more than 1,500 words. And when she presses a button, it would appear she is not just pecking at random, she is choosing purposefully, responding in ways that suggest birds may not only understand us, but communicate back.

Presenter: Caroline Steel Producer: Minnie Harrop and Harrison Lewis Series producer: Ben Motley

(Photo: Close up of Greylag goose with blue background Credit: Harrison Lewis, BBC)

Octopuses and their arms are a bit of a mystery.  Not because scientists don’t know how they work; they’re boneless hydrostats, made up of groups of muscles working together and capable of bending, twisting, elongating or shortening — like a frog’s tongue, or an elephant’s trunk. But because scientists are still figuring out how most octopuses use those arms in the wild. 

Scientists at the Marine Biological Laboratory in Woods Hole and the marine lab at Florida Atlantic University wanted to answer that question. By analyzing videos taken in the wild, they found that octopuses seemed to prefer doing certain tasks with certain arms… and that the majority of the time, they used their front arms to explore and their back arms to get around. Researchers on the project hope that furthering our understanding of octopus behavior and movement will be useful for developing things like soft robotics.

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For International Talk Like a Pirate Day on 19th September, we dig up a treasure chest full of pirate-inspired science.

First up, we peer down our microscopes at a bacterium that takes its inspiration from a pirate warship. Next, we turn our attention to scurvy, the disease that plagued mariners and is now making a comeback in the modern age.

We then get on the line with marine archaeologist Dr Sean Kingsley, who is about to set sail on a mission to survey the unexplored wrecks of Nassau.

Plus, we delve into the tricky topic of modern-day piracy and copyright, before testing our pirate knowledge in a swashbuckling quiz.

All that, plus many more Unexpected Elements.

Presenter: Marnie Chesterton, with Kai Kupferschmidt and Sandy Ong Producers: Alice Lipscombe-Southwell and Margaret Sessa Hawkins, with Robbie Wojciechowski and Imaan Moin

Gravitational waves show two black holes merge just how Hawking predicted. Plus, a space mission without a target. And a Space probe without a confirmed budget.

In January 2025 the LIGO gravitational wave observatories witnessed two distant black holes spinning into each other. In the ten years of LIGO’s operations, that’s not a first. But the instruments have been improved to such an extent that this time some very important predictions of General Relativity and out understanding of black holes could be tested. As Birmingham University’s Alberto Vecchio says, the elegant simplicity of the mathematics of black holes has passed a test, in particular Stephen Hawking’s prediction that the surface area of merging black holes can only be increased.

Space craft have met comets before. But because spaceflight takes so long to plan and fund, we’ve only sent them to comets with human-lifetime orbital periods so far, because we know when they’re arriving. ESA wants to meet one we’ve never seen before, one that has never or seldom been in close to the sun, and never been barbecued and seared by the radiation. Colin Snodgrass of the University of Edinburgh explains the plan to launch and park a comet chaser in space to wait for one of these elusive extraterrestrial objects to come in from the cold.

That, says Meg Schwamb of Queen’s University Belfast, is going to be much easier in the next few years as the Vera Rubin Telescope begins its ten year survey cataloguing anything in the sky that changes. The type of sky survey it will provide will identify, it is hoped, many candidate first-time comets for the small fleet of spacecraft to intercept.

Having a spacecraft ready in position rather than having to launch a new one anytime you want to do some science is a good place to be, one would think.

NASA’s Juno mission has been delivering science from Jupiter since its launch, and is still functioning and able to deliver more. Yet NASA funds are under considerable threat, and as Scott Bolton tells Roland, at the end of this month Juno could be left slowly spiralling into the gas giant, silently collecting data but with no budget to keep the science going.

Presenter: Roland Pease Producer: Alex Mansfield Production Coordinator: Jana Bennett-Holesworth

For centuries, the primary way that astronomers studied outer space was through sight. But just ten years ago, scientists successfully established a way to ‘listen’ to our cosmos – detecting gravitational waves created by huge cosmic events that took place billions of light years away. NPR science correspondent Nell Greenfieldboyce explains how scientists detect those gravitational waves, what kind of cosmic events we’re detecting now, and what they could tell us about our universe.

Interested in more stories about the cosmos? Email us your question at shortwave@npr.org.Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.

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Last month, the Trump administration abruptly halted construction on a nearly completed $6 billion, 65-turbine wind farm off the coast of New England, known as Revolution Wind. The holdup has put thousands out of work and raises big questions about not just the future of this project, but similar efforts across the eastern seaboard. Science correspondent Miles O’Brien reports from Connecticut. PBS News is supported by - https://www.pbs.org/newshour/about/funders. Hosted on Acast. See acast.com/privacy